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Geomagnetic storms in Helsinki — September 30, 2025

September 30, 2025
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Maximum Kp index on September 30, 2025

Kp = 7+

Maximum Kp index on September 30, 2025

A geomagnetic storm was recorded — level G3

Kp = 7+

Geomagnetic storms in Helsinki on September 30, 2025

Changes in the geomagnetic index Kp from September 28 to 30, 2025 for mid latitudes

Time zone — UTC+03 — summer time (Helsinki | geographic coordinates — 60.18 N 24.93 E)

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Geomagnetic index Kp for 3 days
PNG API: JSON | TXT

Geomagnetic storms in Helsinki in September 2025

Changes in the maximum daily geomagnetic index Kp in September 2025 for mid latitudes

Time zone — UTC+03 — summer time (Helsinki | geographic coordinates — 60.18 N 24.93 E)

August 2025 October 2025
Daily Kp index in September 2025
PNG API: JSON | TXT

Geomagnetic activity indices on September 30, 2025

Geomagnetic index Ap 15
Solar radio flux F10.7 187